Martin Marietta Materials - - Responsibilities: Assist in plant operations including production, quality control, loading, and shipping; Shovel work, sweeping, lifting, cleaning, and acting as a spotter; Uses a variety of tools and clean-up equipment to support production operations such as removal of material on and from beneath the plant; Assists Plant Operators, and Equipment Operators, with general duties as requested; Must be willing to cross-train in all plant areas